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1.
Artem’ev K. V. Batanov G. M. Berezhetskaya N. K. Borzosekov V. D. Gritsinin S. I. Davydov A. M. Kolik L. V. Konchekov E. M. Kossyi I. A. Lebedev Yu. A. Moryakov I. V. Petrov A. E. Sarksyan K. A. Stepakhin V. D. Kharchev N. K. Shakhatov V. A. 《Plasma Physics Reports》2020,46(3):311-319
Plasma Physics Reports - A subthreshold discharge excited by a microwave beam in air at pressures close to atmospheric is studied as a plasmachemical method of nitrogen oxide (NOx) production. It... 相似文献
2.
Plasma Physics Reports - Studies of the composition of the products of chemical reactions in the afterglow of a new type of atmospheric discharge, the microwave self-non-self-sustained discharge in... 相似文献
3.
G. M. Batanov V. D. Borzosekov L. V. Kolik E. M. Konchekov D. V. Malakhov A. E. Petrov K. A. Sarksyan V. D. Stepakhin N. K. Kharchev 《Plasma Physics Reports》2017,43(11):1052-1064
Correlation between short-wavelength (k⊥ ≈ 20–30 cm–1) and long-wavelength (k⊥ ≈ 1–2 cm–1) plasma density fluctuations in two poloidal cross sections of the stellarator chamber separated by 1/14 or 5/14 of the torus perimeter was studied using collective scattering of radiation of two 75-GHz gyrotrons and radiation of a 37-GHz Doppler reflectometer at an ECR heating power density of 1.6–3.2 MW/m3. It is found that excitation of turbulent fluctuations is bursty in character and that fluctuations excited in different L-2M cross sections are uncorrelated. It is shown that the energy of turbulent fluctuations is modulated by a low frequency of 5–20 kHz. An idea is put forward that anomalous transport is toroidally inhomogeneous. 相似文献
4.
G. M. Batanov V. D. Borzosekov D. G. Vasilkov L. V. Kolik E. M. Konchekov D. V. Malakhov I. Yu. Vafin A. E. Petrov K. A. Sarksyan A. S. Sakharov V. D. Stepakhin N. K. Kharchev 《Plasma Physics Reports》2016,42(8):734-742
Reflection and backscattering of high-power (400 kW) gyrotron radiation creating and heating plasma at the second harmonic of the electronic cyclotron frequency in the L-2M stellarator have been investigated experimentally. The effect of the displacement of the gyroresonance region from the axis of the plasma column under doubling of the plasma density on the processes of reflection and backscattering of microwave radiation has been examined. A near doubling of short-wavelength (k ⊥ ≈ 30 cm–1) turbulent density fluctuations squared is observed. The change in the energy confinement time under variations of plasma parameters and characteristics of short-wavelength turbulence is discussed. A discrepancy between the measured values of the reflection coefficient from the electron cyclotron resonance heating region and predictions of the one-dimensional model is revealed. 相似文献
5.
Batanov G. M. Borzosekov V. D. Vasilkov D. G. Grebenshchikov S. E. Kolik L. V. Konchekov E. M. Letunov A. A. Petrov A. E. Stepakhin V. D. Kharchev N. K. Kharchevskii A. A. 《Plasma Physics Reports》2019,45(8):732-740
Plasma Physics Reports - In experiments on multipulse on-axis electron cyclotron resonance heating (ECRH) of plasma by a series of microwave pulses at the L-2M stellarator, several phases of plasma... 相似文献
6.
G. M. Batanov N. K. Berezhetskaya V. D. Borzosekov L. D. Iskhakova L. V. Kolik E. M. Konchekov A. A. Letunov D. V. Malakhov F. O. Milovich E. A. Obraztsova E. D. Obraztsova A. E. Petrov K. A. Sarksyan N. N. Skvortsova V. D. Stepakhin N. K. Kharchev 《Plasma Physics Reports》2013,39(10):843-848
Synthesis of titanium diboride and boron nitride nano- and microcrystals by means of a pulsed microwave discharge in a mixture of Ti-B powders in a nitrogen atmosphere is considered. For this purpose, a new type of reactor with a free surface of the powder mixture was used. The reactor design permits free expansion of the reaction products into the reactor volume and their deposition on the reactor walls. Conditions for the synthesis of TiB2 and BN compounds were studied as functions of the energy input in the discharge, the powder component ratio, the rate of the nitrogen flow through the reactor, and the structure and phase composition of the compounds deposited on the reactor walls. The synthesis of boron nitride and titanium diboride in crystal structures is proven. An important role in the process of synthesis is played by the heating of the mixture due to the titanium diboride synthesis reaction, its behavior in the bulk of the reactor, and the titanium concentration in the powder mixture. It is also found that, as the number of discharges in the bulk of the reactor increases, a dust cloud forms. The luminescence of this cloud indicates that the initiated discharge proceeds not only on the powder surface and in the powder bulk, but also in the reactor volume. 相似文献
7.
Batanov G. M. Borzosekov V. D. Kolik L. V. Konchekov E. M. Malakhov D. V. Petrov A. E. Sarksyan K. A. Stepakhin V. D. Kharchev N. K. 《Plasma Physics Reports》2021,47(10):1042-1048
Plasma Physics Reports - Frames of a subthreshold microwave SNSS discharge were obtained in experiments. They showed that, behind the front of the head plasmoid with a fine-cell glow structure,... 相似文献
8.
Artem’ev K. V. Batanov G. M. Davydov A. M. Berezhetskaya N. K. Borzosekov V. D. Kolik L. V. Konchekov E. M. Kossyi I. A. Petrov A. E. Sarksyan K. A. Stepakhin V. D. Kharchev N. K. 《Plasma Physics Reports》2021,47(5):498-502
Plasma Physics Reports - An analysis of a set of experiments on studying subthreshold microwave self/non-self-sustained (SNSS) discharges made it possible to estimate the volume of the active zone... 相似文献
9.
Batanov G. M. Borzosekov V. D. Kolik L. V. Konchekov E. M. Malakhov D. V. Petrov A. E. Sarksyan K. A. Skvortsova N. N. Stepakhin V. D. Kharchev N. K. Kharchevsky A. A. 《Plasma Physics Reports》2020,46(10):955-966
Plasma Physics Reports - The study is continued of the temporal changes of the parameters of turbulent plasma density fluctuations during multi-pulse electron cyclotron (EC) heating of the plasma... 相似文献
10.
G. M. Batanov V. D. Borzosekov L. V. Kolik D. V. Malakhov A. E. Petrov A. A. Pshenichnikov K. A. Sarksyan N. N. Skvortsova N. K. Kharchev 《Plasma Physics Reports》2014,40(4):265-275
Changes in the energy spectra of short-wavelength (k s ≈ 35 cm?1) plasma density fluctuations in the local region of the plasma column (r/a = 0.5–0.6) of the L-2M stellarator were studied by the method of collective scattering of 150-GHz radiation. The plasma was heated at the second harmonic of the electron gyrofrequency, the microwave heating power being in the range of 90–170 kW. A sector limiter was introduced in the peripheral plasma (r/a ≥ 0.8), and the Shafranov shift of the magnetic axis was varied by varying the vertical magnetic field. The results of measurements were averaged over 9–16 discharges. It is found that an increase in the heating power and/or the introduction of the sector limiter in the plasma lead to an increase in the energy of density fluctuations, which correlates with a decrease in the plasma energy lifetime. In the spectra of fluctuations, a broad spectral band in the range of 3–50 kHz was observed in which the spectral density was one order of magnitude higher than in the rest of the spectrum. Analysis of the Fourier spectra showed that the introduction of the sector limiter in the plasma resulted in an increase in both the spectral density of fluctuations in the range of 3–50 kHz and the fraction of quasi-coherent structures in turbulent density fluctuations. 相似文献